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Byzantine Empire is the Eastern Roman Empire that remained intact and even prospered after the fall of the western roman empire in the 5th century A.D.
Roman Empire is the ancient empire that was established in the 1st century B.C by the Augustus Caesar, the 1st emperor of Rome. later in the 2nd Century A.D, due to governing difficulties, the Roman Empire was separated in to 2 parts, the western Roman Empire, ruled by the Rome and the Eastern Roman Empire, ruled from the Byzantine/Constantinople.
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